STARLight PDR 3 Oct ‘01 L. van Nieuwstadt Receiver - Page 1 STARLight Objective To design, build and test RF front end receiver as small as possible, meeting.

STARLight PDR 3 Oct ‘01 L. van Nieuwstadt Receiver - Page 1

STARLightSTARLight

Objective To design, build and test RF front end receiver as small as possible, meeting requirements and within budget.

Strategy Parts search and noise budget iterations

STAR Light PDR – 3 October 2001

RF RECEIVER Line van Nieuwstadt

734-615-2252, [email protected]

STARLight PDR 3 Oct ‘01 L. van Nieuwstadt Receiver - Page 2

STARLightSTARLight

Outline:•Requirements & Noise Budget

•Block Diagram

•Component Selection and Trade-offs

•Component Testing and Summary

•Test plan for 2-channel propotype

STAR Light PDR – 3 October 2001

STARLight PDR 3 Oct ‘01 L. van Nieuwstadt Receiver - Page 3

STARLightSTARLightSTAR Light PDR – 3 October 2001

Requirements (from Noise Budget)

Frequency : 1.4135 GHz +/- 10MHz

NF : 2.5 dB

Gain : ~ 90 dB

Pdc : < 8.5 Watts

Size : ~ 5” x 5” x 1.5” (12.5 cm x 12.5 cm x 4cm)

Weight : < 300 gr.

Temp : –30C to +40C (operating)

STARLight PDR 3 Oct ‘01 L. van Nieuwstadt Receiver - Page 4

STARLightSTARLightSTAR Light PDR – 3 October 2001

Antenna

A/D

8-way Power Divider B

PSF

SP4TSwitch

Noise Diode A

LNAIRF

Cold Cal Load

AMP AMP

AMP

Noise Diode B

8-way Power Divider A

Block Diagram

IRF

STARLight PDR 3 Oct ‘01 L. van Nieuwstadt Receiver - Page 5

STARLightSTARLightSTAR Light PDR – 3 October 2001

DC Power Summary:Component Voltage (V) Current (mA) Pdc (Watts)/chn Pdc (Watts) total

Switch RF170-12 12 24 0.288 2.88MITEQ LNA - Vd 12 100 1.2 12MaCom LNA - Vd 5 100 0.5 5 - Vg -5 0 0MaCom LNA - Vd 5 100 0.5 5 - Vg -5 0 0MaCom LNA - Vd 5 100 0.5 5 - Vg -5 0 0A/D board

TOTAL 29.88

Switch PE4220, 3/chn 3 0.03 0.00027 0.0027MITEQ LNA - Vd 12 100 1.2 12MaCom LNA - Vd 5 100 0.5 5 - Vg -5 0 0MaCom LNA - Vd 5 100 0.5 5 - Vg -5 0 0MaCom LNA - Vd 5 100 0.5 5 - Vg -5 0 0A/D board

TOTAL 27.0027

STARLight PDR 3 Oct ‘01 L. van Nieuwstadt Receiver - Page 6

STARLightSTARLightSTAR Light PDR – 3 October 2001

Selected parts specs:

AMP: MAAM 12000-A1Freq. : 1.2 – 1.75 GHzGain : 26 dB +/- 0.8 dBNF : 1.35 dBVSWR : 1.4:1P1dB : 14 dBmPdc : 5V @ 85mA (0.43 W)Temp. : -55C to +125C

Power Divider: MECA 808-2-1.400Frequency : 0.8 - 2 GHzInsertion Loss : 0.8 dB (above 9 dB)Ampl. Imbalance : 0.2 dBPhase Imbalance : 8 degreesVSWR : 1.2:1Port-to-port isol. : 22 dB, adjacentTemperature : -55C to +70CSize : 4.5” x 4” x 0.44”

Noise Diode: NC302LFrequency : 10 Hz - 2 GHzPdc : 6 – 8 V @ 6 mAOutput ENR : 30 – 35 dB

PSF: IMC 930307 ceramicFreq : 1413.5 MHz +/- 10 MHzI.L. : 3 dBVWSR : 1.75:1Rejection : 1393.5 MHz, 32 dB min.

1433.5 MHz, 30dB min

Temp. : -30C to +40C

LNA: Miteq AFSM2Freq. : 1.0 – 2.0 GHzGain : 25 dB +/- 1 dBNF : 0.8 dBVSWR : 1.4:1 @ 1.5 GHzPdc : 12V @ 90mA (1.1 W)Temp. : -55C to +85C

STARLight PDR 3 Oct ‘01 L. van Nieuwstadt Receiver - Page 7

STARLightSTARLightSTAR Light PDR – 3 October 2001

Test Plan/Procedure/Fixtures - Components:

•Procure selected components (LNAs, filters, power dividers)•Design and fabricate test fixtures•Assemble engineering test devices (Miteq and Ma/Com LNAs,

PSF filters)•Test components over temperature: -30C to +40C

STARLight PDR 3 Oct ‘01 L. van Nieuwstadt Receiver - Page 8

STARLightSTARLightSTAR Light PDR – 3 October 2001

Test Plan/Procedure/Fixtures:

STARLight PDR 3 Oct ‘01 L. van Nieuwstadt Receiver - Page 9

STARLightSTARLightSTAR Light PDR – 3 October 2001

Test Plan/Procedure/Fixtures:

STARLight PDR 3 Oct ‘01 L. van Nieuwstadt Receiver - Page 10

STARLightSTARLightSTAR Light PDR – 3 October 2001

Test Results Summary - Components:

•Miteq LNA: Good NF (<0.7dB), burn-in is necessary, requested pricing/delivery info from vendor •Ma/Com LNA: Linear gain vs. temperature curves, purchased fifty amplifiers for instrument built•PSF Filters: Mounting and test fixture problems solved, very small filter-to-filter variation•8-way Power Dividers: Selected MECA power divider

STARLight PDR 3 Oct ‘01 L. van Nieuwstadt Receiver - Page 11

STARLightSTARLightSTAR Light PDR – 3 October 2001

Test Results Summary - Components:

MTQ SN1 T=25C (After 3 thermal cycles)

20

21

22

23

24

25

26

27

28

29

30

1E+09 1.2E+09 1.4E+09 1.6E+09 1.8E+09 2E+09

Frequency MHz

Gai

n d

B

-50

-45

-40

-35

-30

-25

-20

-15

-10

-5

0

S21

S11

S12

S22

STARLight PDR 3 Oct ‘01 L. van Nieuwstadt Receiver - Page 12

STARLightSTARLightSTAR Light PDR – 3 October 2001

Test Results Summary - Components:

MAAM SN3 T=25C (After 3 thermal cycles)

20

21

22

23

24

25

26

27

28

29

30

1E+09 1.2E+09 1.4E+09 1.6E+09 1.8E+09 2E+09

Frequency MHz

Ga

in d

B

-50

-45

-40

-35

-30

-25

-20

-15

-10

-5

0

S21

S11

S12

S22

STARLight PDR 3 Oct ‘01 L. van Nieuwstadt Receiver - Page 13

STARLightSTARLightSTAR Light PDR – 3 October 2001

Test Results Summary - Components:

PSF SN1 T= 25C (After 3 thermal cycles)

-50

-45

-40

-35

-30

-25

-20

-15

-10

-5

0

1.35E+09 1.37E+09 1.39E+09 1.41E+09 1.43E+09 1.45E+09

Frequency Mhz

I.L

. d

B

-35

-30

-25

-20

-15

-10

-5

0

S21

S12

S11

S22

STARLight PDR 3 Oct ‘01 L. van Nieuwstadt Receiver - Page 14

STARLightSTARLightSTAR Light PDR – 3 October 2001

Test Results Summary - Components:

MECA SN1 (Pre-thermal cycles)

0

1

2

3

4

5

6

7

8

9

1400

1402

.514

05

1407

.514

10

1412

.514

15

1417

.514

20

1422

.514

25

1427

.514

30

Frequency (MHz)

Ph

ase

(deg

)

Port 1

Port 2

Port 3

Port 4

Port 5

Port 6

Port 7

Port 8

STARLight PDR 3 Oct ‘01 L. van Nieuwstadt Receiver - Page 15

STARLightSTARLightSTAR Light PDR – 3 October 2001

Test Plan for 2-Channel Prototype Radiometer:

• Implement RF test ports in the receiver box• Measure NF of RF front ends (switches, IRF, LNA)• Measure S-parameters of RF front ends and gain

block, at Troom and over operating temperature• Test fringe-washing function over temperature

STARLight PDR 3 Oct ‘01 L. van Nieuwstadt Receiver - Page 16

STARLightSTARLightSTAR Light PDR – 3 October 2001

ID Task Name Duration Start Finish1 Electrical ICD - on-going 60 days Mon 10/1/01 Fri 12/21/01

2 Receiver Design 33 days Wed 9/26/01 Fri 11/9/01

3 System electrical simulation 30 days Mon 10/1/01 Fri 11/9/01

4 Interference Reject Filter trade-off & vendor search 5 days Mon 10/8/01 Fri 10/12/01

5 Noise diode trade-off and vendor search 5 days Mon 10/8/01 Fri 10/12/01

6 Receiver module package design 20 days Wed 9/26/01 Tue 10/23/01

7 Design Development 60 days? Mon 10/8/01 Fri 12/28/01

8 Interference Reject Filter procurement 25 days? Mon 10/15/01 Fri 11/16/01

9 LNA procurement 60 days? Mon 10/8/01 Fri 12/28/01

10 Noise diode procurement 15 days Mon 10/15/01 Fri 11/2/01

11

12 Documentation 35 days Mon 10/15/01 Fri 11/30/01

13 Front-end (switch, IRF, LNA) 11 days Mon 10/15/01 Mon 10/29/01

18 Gain block (amps, IRF, PSF) detailed drawing 11 days Tue 10/30/01 Tue 11/13/01

23 Integrated Receiver 11 days Wed 11/14/01 Wed 11/28/01

28 Noise diode & distribution network package drawing 2 days Thu 11/29/01 Fri 11/30/01

29

30 Sub-modules Fab & Test (#1 & #2) 30 days Mon 11/19/01 Fri 12/28/01

31 Front-end (switch, IRF, LNA) fab & test 10 days Mon 11/19/01 Fri 11/30/01

32 Gain block fab & test (amps, IRF, PSF) 10 days Mon 12/3/01 Fri 12/14/01

33 Receiver package fabrication 5 days Mon 12/17/01 Fri 12/21/01

34 Noise diode & distribution network fab & test 5 days Mon 12/24/01 Fri 12/28/01

35 RF Receiver Integration and Test (#1 & #2) 25 days Mon 12/31/01 Fri 2/1/02

38

39 Two-Channel Prototype Test 40 days Mon 2/4/02 Fri 3/29/02

40 CDR 1 day Mon 4/1/02 Mon 4/1/02

41 Sub-Modules Fab Test (RCVR #3 - #14) 150 days Mon 4/1/02 Fri 10/25/02

46 RF Receiver Integration and Test (RCVR #3 - #14) 120 days Mon 10/28/02 Fri 4/11/03

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